| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| WordPress Block Editor Block-based content editor built into modern WordPress | 12.2M sites |
| WordPress Site Editor Full-site editing interface built into modern WordPress | 4.1M sites |
| Customer Chat & Support | |
| WhatsApp Business Chat Widget letting visitors start WhatsApp conversations with businesses | 4.6M sites |
| Business Email & Productivity | |
| Titan Business email hosting built for professionals and domains | 963.7K sites |
| Hosting & Cloud Providers | |
| Oracle Cloud Oracle cloud platform for hosting and compute services | 8.2M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 146.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 3.4M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 3M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.4M sites |
| other | |
| Titan Email Hosted business email service tied to domain registrars | 1M sites |
| Yoast | 13.7M sites |
| Wpforms | 3.9M sites |
| Aioseo | 2.1M sites |
| WP Mail SMTP by WPForms – Free SMTP Plugin with Gmail, Outlook, Amazon SES, SendGrid, Mailgun, Zoho & other SMTP Marketing & Email | 452K sites |
| Gosmtp Smtp | 379.8K sites |
| Page Builder: Pagelayer – Drag and Drop website builder Design & Themes | 102.3K sites |
| Extendify Design & Themes | 26.5K sites |
| Scrumptious – Recipe Cards SEO | 27 sites |
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